LONDON, ENGLAND - APRIL 17: Gwyneth Paltrow and Robert Downey Jr attend the Iron Man 3 photocall at The Dorchester on April 17, 2013 in London, England. (Photo by Mike Marsland/Getty Images)

Tiffany & Co. Celebrates Its Blue Book Ball At Rockefeller Center In New York City

NEW YORK, NY - APRIL 18: Actress Gwyneth Paltrow is wearing Diamonds from the Tiffany & Co. 2013 Blue Book Collection at the Tiffany & Co. Blue Book Ball at Rockefeller Center on April 18, 2013 in New York City. (Photo by Neilson Barnard/Getty Images for Tiffany & Co.)

NEW YORK, NY - APRIL 09: Book jacket detail at the signing of actress Gwyneth Paltrow's new book "It's All Good" at Williams-Sonoma on April 9, 2013 in New York City. (Photo by Stephen Lovekin/Getty Images)

Gwyneth Paltrow Signs Copies Of Her Book "It's All Good"

NEW YORK, NY - APRIL 09: A general view of atmosphere at the signing of actress Gwyneth Paltrow's new book "It's All Good" at Williams-Sonoma on April 9, 2013 in New York City. (Photo by Stephen Lovekin/Getty Images)

Gwyneth Paltrow Signs Copies Of Her Book "It's All Good"

NEW YORK, NY - APRIL 09: Actress Gwyneth Paltrow attends the signing of her new book "It's All Good" at Williams-Sonoma on April 9, 2013 in New York City. (Photo by Stephen Lovekin/Getty Images)

Gwyneth Paltrow Book Signing For "It's All Good: Delicious, Easy Recipes That Will Make You Look Good And Feel Great"

BEVERLY HILLS, CA - APRIL 05: Actress Gwyneth Paltrow signs her new book 'It's All Good: Delicious, Easy Recipes That Will Make You Look Good and Feel Great' at Williams-Sonoma on April 5, 2013 in Beverly Hills, California. (Photo by Jason Merritt/Getty Images)

Gwyneth Paltrow Book Signing For "It's All Good: Delicious, Easy Recipes That Will Make You Look Good And Feel Great"

BEVERLY HILLS, CA - APRIL 05: Gwyneth Paltrow signs her new book "It's All Good: Delicious, Easy Recipes That Will Make You Look Good and Feel Great" at Williams-Sonoma on April 5, 2013 in Beverly Hills, California. (Photo by Jason Merritt/Getty Images)

Gwyneth Paltrow Signs Copies Of Her New Book "It's All Good: Delicious, Easy Recipes That Will Make You Look Good and Feel Great"

LOS ANGELES, CA - APRIL 03: Actress Gwyneth Paltrow signs her new book 'It's All Good: Delicious, Easy Recipes That Will Make You Look Good and Feel Great' at Barnes & Noble bookstore at The Grove on April 3, 2013 in Los Angeles, California. (Photo by Jason Merritt/Getty Images)

TORONTO, ON - SEPTEMBER 08: Actors Mark Ruffalo and Gwyneth Paltrow attend the "Thanks For Sharing" premiere during the 2012 Toronto International Film Festival at Ryerson Theatre on September 8, 2012 in Toronto, Canada. (Photo by Jason Merritt/Getty Images)

EAST HAMPTON, NY - AUGUST 19: (L-R) Actors Gwyneth Paltrow and Jake Gyllenhaal attend the The Hollywood Reporter and Samsung Galaxy SIII private Hamptons screening of Open Road Films' "End of Watch" at Goose Creek on August 19, 2012 in East Hampton, New York. (Photo by Paul Zimmerman/Getty Images)

NEW YORK, NY - MAY 07: Gwyneth Paltrow attends the "Schiaparelli And Prada: Impossible Conversations" Costume Institute Gala at the Metropolitan Museum of Art on May 7, 2012 in New York City. (Photo by Larry Busacca/Getty Images)

NEW YORK, NY - MAY 07: Gwyneth Paltrow attends the "Schiaparelli And Prada: Impossible Conversations" Costume Institute Gala at the Metropolitan Museum of Art on May 7, 2012 in New York City. (Photo by Larry Busacca/Getty Images)

WIESBADEN, GERMANY - NOVEMBER 10: Gwyneth Paltrow appears onstage during the Bambi Award 2011 show at the Rhein-Main-Hallen on November 10, 2011 in Wiesbaden, Germany. (Photo by Christian Augustin/Getty Images)

Bambi Award 2011

WIESBADEN, GERMANY - NOVEMBER 10: Gwyneth Paltrow attends the Red Carpet for the Bambi Award 2011 ceremony at the Rhein-Main-Hallen on November 10, 2011 in Wiesbaden, Germany. (Photo by Christian Augustin/Getty Images)

Actress Gwyneth Paltrow poses during the photocall of "Contagion" at the 68th Venice Film Festival on September 2, 2011 at Venice Lido. "Contagion" is presented out of competition. AFP PHOTO / GIUSEPPE CACACE (Photo credit should read GIUSEPPE CACACE/AFP/Getty Images)

Lancia On The Red Carpet At The 68th Venice Film Festival - September 3, 2011

VENICE, ITALY - SEPTEMBER 03: Actress Gwyneth Paltrow poses at the "Contagion" photocall during the 68th Venice Film Festival at the Palazzo del Cinema on September 3, 2011 in Venice, Italy. (Photo by Pascal Le Segretain/Getty Images)

BEVERLY HILLS, CA - APRIL 21: Books on display during the book signing for author/actress Gwyneth Paltrow's book "My Father's Daughter: Delicious, Easy Recipes Celebrating Family and Togetherness" at the Williams-Sonoma store on April 21, 2011 in Beverly Hills, California. (Photo by Frederick M. Brown/Getty Images)

NEW YORK, NY - APRIL 14: Actres Gwyneth Paltrow promotes her new book "My Father's Daughter: Delicious, Easy Recipes Celebrating Family And Togetherness" at Barnes & Noble, 5th Avenue on April 14, 2011 in New York City. (Photo by Slaven Vlasic/Getty Images)

EAST HAMPTON, NY - JULY 28: (L-R) Jerry Seinfeld, wife Jessica Seinfeld, and Gwyenth Paltrow attend an evening of shopping to benefit Baby Buggy at Balenciaga on July 28, 2010 in East Hampton, New York. (Photo by Gary Gershoff/Getty Images for Baby Buggy)

National Movie Awards 2010 - Red Carpet Arrivals

LONDON, ENGLAND - MAY 26: Actress Gwyneth Paltrow attends the National Movie Awards 2010 at the Royal Festival Hall on May 26, 2010 in London, England. (Photo by Gareth Cattermole/Getty Images)

LOS ANGELES, CA - APRIL 01: Actress Anne Hathaway, designer Valentino Garavani, actress Gwyneth Paltrow and designer Tom Ford arrive at the L.A. premiere of "Valentino: The Last Emperor" held at the L.A. County Museum of Art on April 1, 2009 in Los Angeles, California. (Photo by Alberto E. Rodriguez/Getty Images)

Cannes 2008: 'Two Lovers' - Photocall

CANNES, FRANCE - MAY 20: Actress Gwyneth Paltrow attends the Two Lovers Photocall at the Palais des Festivals during the 61st International Cannes Film Festival on May 20 , 2008 in Cannes, France. (Photo by Sean Gallup/Getty Images)

Cannes 2008: 'Two Lovers' - Photocall

CANNES, FRANCE - MAY 20: Gwyneth Paltrow attends the Two Lovers Photocall at the Palais des Festivals during the 61st International Cannes Film Festival on May 20 , 2008 in Cannes, France. (Photo by Sean Gallup/Getty Images)

Cannes 2008: 'Two Lovers' - Photocall

CANNES, FRANCE - MAY 20: Actress Gwyneth Paltrow attends the Two Lovers Photocall at the Palais des Festivals during the 61st International Cannes Film Festival on May 20 , 2008 in Cannes, France. (Photo by Sean Gallup/Getty Images)

Cannes 2008: Chopard Trophy Award - Inside

CANNES, FRANCE - MAY 19: Actress Gwyneth Paltrow attends the Chopard Trophy Award at Carlton Hotel during the 61st International Cannes Film Festival on May 19, 2008 in Cannes, France. (Photo by Francois Durand/Getty Images)

Cannes 2008: 'Two Lovers' - Premiere

CANNES, FRANCE - MAY 19: Actress Gwyneth Paltrow attends the 'Two Lovers' Premiere at the Palais des Festivals during the 61st International Cannes Film Festival on May 19, 2008 in Cannes, France (Photo by Sean Gallup/Getty Images)

Premiere Of Paramount's "Iron Man" - Arrivals

HOLLYWOOD - APRIL 30: Actress Gwyneth Paltrow arrives at the premiere of Paramount's "Iron Man" held at Grauman's Chinese Theatre on May 30, 2008 in Hollywood, California. (Photo by Kevin Winter/Getty Images)